{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380002",
    "entityType": "User",
    "nonce": "0xc719db0f7afac50fd377eff50c4f73d5e4c7745ea775834a77f6f5bdf4bd958b",
    "signature": "0x1a204c0c82490a3f89d67ca6165e44ee458b2b9e3c790b92f179b16f44656330217d86d9c432f8e4c828e91d70c8a2a969e673ed3e722e5a3029470f8859f1281c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}